Home / 83,085.12-124,624.44-27,681.12

Finding the Fourth Proportional to 83,085.12, 124,624.44 and 27,681.12

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Solution

The fourth proportional to 83,085.12, 124,624.44 and 27,681.12 is: 41,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,085.12 : 124,624.44 = 27,681.12 : x
  2. Step 2: Convert to fraction form
    83,085.12/124,624.44 = 27,681.12/x
  3. Step 3: Cross multiply
    83,085.12x = 124,624.44 × 27,681.12
  4. Step 4: Simplify right side
    83,085.12x = 3,449,744,078.57
  5. Step 5: Solve for x
    x = 3,449,744,078.57/83,085.12
  6. Step 6: Final answer
    x = 41,520.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.